Understanding how tiny muscle fibers affect heart function
Myofilaments as regulators of heart function in disease
This research explores how the heart's smallest muscle units work to pump blood and how problems with them can lead to heart failure.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Minnesota NIH-funded |
| Lab location | 1 site (Minneapolis, United States) |
| Project ID | NIH-11001958 on NIH RePORTER |
What this research studies
Our hearts rely on tiny structures called sarcomeres, which are the basic units of muscle, to contract and pump blood effectively. Within these sarcomeres, even smaller components called myofilaments work together to generate the force needed for each heartbeat. When these myofilaments don't function correctly, it can lead to serious conditions like ischemic cardiomyopathy and heart failure. This project aims to understand the detailed mechanisms by which these myofilaments regulate heart contractions, including how they turn on and off during each beat. By gaining deeper insights into these processes, we hope to uncover new ways to address heart diseases.
Who could benefit from this research
Good fit: This foundational research is relevant to patients experiencing heart conditions such as ischemic cardiomyopathy and heart failure, where sarcomere dysfunction plays a role.
Not a fit: Patients without cardiac conditions or those whose heart issues are unrelated to sarcomere or myofilament dysfunction may not directly benefit from this specific line of research.
Why it matters
Potential benefit: If successful, this research could lead to a better understanding of heart disease at a fundamental level, potentially paving the way for new treatments for conditions like heart failure.
How similar studies have performed: This work builds upon existing knowledge of sarcomere activation and introduces breakthrough methodological advances to further explore inter-myofilament regulatory signaling mechanisms.
Where this research is happening
Minneapolis, United States
- University of Minnesota — Minneapolis, United States (Active)
Researchers
- Principal investigator: Metzger, Joseph Mark — University of Minnesota
- Study coordinator: Metzger, Joseph Mark
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.